Janita Bautista hugs daughter Liliana Lara, 6, outside Crockett Elementary School in Houston after she reacts to hearing details about the elementary mass shooting in Connecticut that left 29 people dead on Friday.

Janita Bautista hugs daughter Liliana Lara, 6, outside Crockett...

In the national collective grief rising from Friday's mass shooting in Connecticut, one apparent trust seems to have completely shattered: that an elementary school was sacred and safe ground.

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